3D printer



FIG. 1 is a top, front, right side perspective view of a 3D printer, showing my design.

FIG. 2 is a bottom, rear, left side perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of an area labeled 9 in FIG. 2.

The details shown in broken lines in the drawings depict portions of the 3D printer that form no part of the claimed design. 

CLAIM The ornamental design for a 3D printer, as shown and described. 